new MaterialProperty(MediumBounceFloor) {
friction = 0.5;
restitution = 1;
force = 15;
}; new MaterialProperty(LowBounceFloor) {
friction = 0.5;
restitution = 1;
force = 8;
}; new MaterialProperty(CarpetFloor) {
friction = 2;
restitution = 0.5;
};
addMaterialMapping( "floor_bounce", MediumBounceFloor);
addMaterialMapping( "carpet", CarpetFloor);
addMaterialMapping( "blah", LowBounceFloor);